325320500 has 48 divisors (see below), whose sum is σ = 752313744. Its totient is φ = 122470400.

The previous prime is 325320497. The next prime is 325320547. The reversal of 325320500 is 5023523.

It can be written as a sum of positive squares in 8 ways, for example, as 16826404 + 308494096 = 4102^2 + 17564^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10637 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (15673203).

Almost surely, 2^325320500 is an apocalyptic number.

It is an amenable number.

325320500 is an abundant number, since it is smaller than the sum of its proper divisors (426993244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325320500 is a wasteful number, since it uses less digits than its factorization.

325320500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38309 (or 38297 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 325320500 is about 18036.6432575466. The cubic root of 325320500 is about 687.7603641945.

The spelling of 325320500 in words is "three hundred twenty-five million, three hundred twenty thousand, five hundred".